#613F68
Closest named color: Brownish Purple (#76424E). oklch(42.3% 0.078 320.6), rgb(97, 63, 104).
Aa
White text reads best on this color (8.68:1).
About this color
#613F68 is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.078 and its hue 321°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Brownish Purple (#76424E), ΔE 0.062 away. White text reads best on it, at 8.68:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.078) |
| Temperature | in between |
| Nearest name | Brownish Purple (#76424E) |
| Black text | 2.41:1 |
| White text | 8.68:1 |
Values
| HEX | #613F68 |
| RGB | rgb(97, 63, 104) |
| HSL | hsl(290, 25%, 33%) |
| OKLCH | oklch(42.3% 0.078 320.6) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #613F68 | 8.68:1 | AAA | Lc -94.2 | Preferred for body text |
| Black text on #613F68 | 2.41:1 | Fails | Lc 14.3 | Not readable |
| #613F68 text on white | 8.68:1 | AAA | Lc 89.6 | Fine for body text |
| #613F68 text on black | 2.41:1 | Fails | Lc -12.6 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 800.
-
Step 50
50
#F7F4F8
oklch(97.1% 0.006 317.8)
-
Step 100
100
#EEE7EF
oklch(93.6% 0.013 321.9)
-
Step 200
200
#E1D4E4
oklch(88.5% 0.026 319.9)
-
Step 300
300
#CEB8D3
oklch(81% 0.044 320)
-
Step 400
400
#B692BD
oklch(70.7% 0.073 320.8)
-
Step 500
500
#A377AC
oklch(63.2% 0.092 320.6)
-
Step 600
600
#8E5F98
oklch(55.7% 0.101 320.4)
-
Step 700
700
#794E81
oklch(49.2% 0.094 321.1)
-
Step 800
800 (this color)
#613F68
oklch(42.3% 0.078 320.6)
-
Step 900
900
#503755
oklch(37.8% 0.059 320.7)
-
Step 950
950
#2F2032
oklch(27% 0.039 320.7)
#613F68 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #3A496A | 0.068 |
| Deuteranopia (no green cones) | #424D67 | 0.063 |
| Tritanopia (no blue cones) | #62444E | 0.050 |
| Achromatopsia (no color) | #4B4B4B | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #613F68
#613F68
oklch(42.3% 0.078 320.6)
- #35582F
#35582F
oklch(42.2% 0.077 140.8)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #613F68, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brownish Purple #76424E ΔE 0.062
- Purple Brown #673A3F ΔE 0.067
- Dusk #4E5481 ΔE 0.067
- Dusty Grape #545775 ΔE 0.068
- Twilight #4E518B ΔE 0.072
- Dark Slate Blue #483D8B ΔE 0.076
- YInMn Blue #415A77 ΔE 0.086
- Dark Mauve #874C62 ΔE 0.086
Use #613F68 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.